/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.camunda.bpm.engine.rest.dto.task;

import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.exception.NotValidException;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import org.camunda.bpm.engine.task.TaskCountByCandidateGroupResult;
import org.camunda.bpm.engine.task.TaskReport;

import javax.ws.rs.core.Response;
import java.util.List;

/**
 * @author Stefan Hentschel.
 */
public class TaskCountByCandidateGroupResultDto {

  protected String groupName;
  protected int taskCount;

  public int getTaskCount() {
    return taskCount;
  }

  public void setTaskCount(int taskCount) {
    this.taskCount = taskCount;
  }

  public String getGroupName() {
    return groupName;
  }

  public void setGroupName(String groupName) {
    this.groupName = groupName;
  }

  public static TaskCountByCandidateGroupResultDto fromTaskCountByCandidateGroupResultDto(TaskCountByCandidateGroupResult taskCountByCandidateGroupResult) {
    TaskCountByCandidateGroupResultDto dto = new TaskCountByCandidateGroupResultDto();

    dto.groupName = taskCountByCandidateGroupResult.getGroupName();
    dto.taskCount = taskCountByCandidateGroupResult.getTaskCount();

    return dto;
  }

  public List<TaskCountByCandidateGroupResult> executeTaskCountByCandidateGroupReport(ProcessEngine engine) {
    TaskReport reportQuery = engine.getTaskService().createTaskReport();

    try {
      return reportQuery.taskCountByCandidateGroup();
    } catch( NotValidException e ) {
      throw new InvalidRequestException(Response.Status.BAD_REQUEST, e, e.getMessage());
    }
  }
}
